litex/litex/build/xilinx
Tim 'mithro' Ansell 8b2abc7e89 Fix -vlgincdir for xst.
The command line is of the form;
```
-vlgincdir {"path1" "path2"}
```

Fixes the following error;
```
WARNING:Xst:3164 - Option "-vlgincdir" found multiple times in the command line. Only the first occurence is considered.
```
2018-12-17 21:11:14 -08:00
..
__init__.py
common.py
ise.py Fix -vlgincdir for xst. 2018-12-17 21:11:14 -08:00
platform.py
programmer.py
vivado.py